"Antennae Galaxies" by NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration / Public Domain

Scientists Say They’ve Found The Missing 40 Percent Of The Universe’s Matter

Nov 6, 2020

By Dan Robitzski

Scientists have long assumed that about 40 percent of the universe’s visible matter — the kind makes up everything we can see and touch — was missing, never having been detected.

Now, a team of researchers from France’s National Center of Scientific Research (CNRS) says it’s finally found it — hidden away in the diffuse filaments of the gigantic, galaxy-connecting cosmic web. The research, published Friday in the journal Astronomy & Astrophysics, revealed the missing matter after scientists took a new look at a pile of 20-year-old data.

Hidden Web

The filaments of gas that make up the cosmic web are thought to connect networks of galaxies across vast voids of nothingness in the universe, according to a CNRS press release. Sometimes they also serve as a source of fresh material for nearby galaxies or black holes, making the web itself even more threadbare and faint.

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